Method for improving antishock performance of double-layer vibration isolating system
A technology of shock resistance and vibration isolation system, applied in the direction of shock absorber, shock absorber-spring combination, propulsion components, etc. It can quickly capture, reduce the source vibration, and improve the vibration isolation ability.
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[0031] The present invention is described in more detail below in conjunction with accompanying drawing example:
[0032] combine figure 1 , the protected marine power equipment 1, the intermediate mass 2, the elastic shock absorber 3 and the elastic shock absorber 4 as the protected upper mass constitute a double-layer vibration isolation system and are placed on the hull foundation 5; the vibration pickup sensor 6 , pickup sensor 7, DSP controller 8, constant current source circuit 9, DC power supply 10, electromagnetic semi-active shock absorber 11 constitute a semi-active control system. The protected marine power equipment 1 in the double-layer vibration isolation system is equipped with an electromagnetic semi-active vibration absorber 11, and its vibration signal is measured by the vibration pickup sensor 6 as a vibration detection signal, and the shock pickup sensor 7 detects the hull foundation The acceleration signal of 5 is used as the impact judgment signal, and t...
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